'Lang factor' is defined as the ratio of the capital investment to the delivered cost of major equipments. The value of 'Lang factor' for fixed capital investment, for a solid-fluid processing chemical plant ranges from ?
Correct answer: C. 4.2 to 4.4
- A. 1.2 to 1.4
- B. 2.5 to 2.7
- C. 4.2 to 4.4
- D. 6.2 to 6.4
Explanation
For a solid-fluid processing plant, the Lang factor is commonly about 4.3, meaning fixed capital is roughly 4.3 times the delivered cost of major equipment. Fluid-only plants generally use higher factors, while solid-processing plants use lower ones.
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